#include	<stdio.h>
int main(void)
{
	int a[10] = {1, 4, 9, 16, 25, 36, 49};
	int * p = a;
	int * q = &a[5];
	printf("q = %d\n", q);
	printf("p = %d\n", p);
	printf("q - p = %d\n", q - p);
	return 0;
}
